SRF Activities at TRIUMF & PAVAC CANADA’S NATIONAL LABORATORY FOR PARTICLE AND NUCLEAR PHYSICS Owned and operated as a joint venture by a consortium of Canadian universities via a contribution through the National Research Council Canada Present SRF Activities at TRIUMF & PAVAC Beginning & Future Nigel Lockyer TRIUMF/UBC LABORATOIRE NATIONAL CANADIEN POUR LA RECHERCHE EN PHYSIQUE NUCLÉAIRE ET EN PHYSIQUE DES PARTICULES   Propriété d’un consortium d’universités canadiennes, géré en co-entreprise à partir d’une contribution administrée par le Conseil national de recherches Canada

Production/Innovation Who is PAVAC? A Canadian Company located in Richmond B.C. Products and services in: Electron Beam Welding Precision machining Pulsed Electron Beam Drilling and Surface-Micro Machining Pulsed Electron Beam Coating (PEB-PVD) Rapid Manufacturing (RM) Electron Beam Flue Gas 10,000 + square feet facility at: 12371 Horseshoe Way Richmond, B.C., V7A 4X6 4/21/2017

SC-Linac Refrigerator SCRF Lab Phase II RFQ DTL Mass Separator Targets 21 April 2017 Lockyer

Phase-II Cavity Report Cavities ordered from PAVAC Industries of Richmond BC Two prototype cavities tested Ep=38MV/m @ 7W Twenty production cavities ordered fifteen cavities received 21 April 2017 Lockyer

ISAC-II Phase-II Cryomodules SCC1 cold tests complete Checked cavities and rf systems Measured static load 24W @4K compared to 13W for Phase I (heat leak?) 5ltr/hour LN2 21 April 2017 Lockyer

Installation Schedule Vault installation has begun Beamline removed Cryogenics installation nearing completion SCC1 to be installed Oct 15 Will be fully tested after installation SCC2/3 – Nov. 15/Dec. 15 Beam commissioning in Jan.-March 2010 first experiments April 2010 21 April 2017 Lockyer

ISAC-II Phase-II Summary Phase-II linac extension will add 20MV to ISAC-II SC-linac On schedule for 2009 installation Fifteen production cavities received Cavities for first module meet specification Some problems with leaks – solution developed First cryomodule tested All systems work; alignment good Signs of Q-disease in on-line cavities Direct venting system implemented Installation has begun Installation of all cryomodules by end of 2009 Commissioning in Jan. 2010 21 April 2017 Lockyer

TRIUMF – e-Linac Goal: three simultaneous radioactive beams ISAC II Goal: three simultaneous radioactive beams New complimentary driver (e-linac): electron driver for Photo-Fission New target stations and mass separators New front end and post accelerators Staged installation High Energy ISAC III New Accelerators ISAC I Medium Energy New Front End Low Energy New Mass Separators New Targets e-linac Cyclotron 21 April 2017 Lockyer 8

E-LINAC Electron driver for photofission: independent and complementary to 500 MeV cyclotron Composed of five elliptical cavities at 1.3 GHz Final specification 50 MeV/10mA ->0.5 MW beam power, cw – by 2017 (cash flow dependent) Staged installation: 30 MeV and 3 mA - 2013 Injector cryomodule (ICM) - designed, built and tested as part of the VECC collaboration - 2011 5kW 50kW Driver 25MeV 50kW 2013 50kW 2017 50MeV 10MeV Gun 5kW 50kW Injector-2011 21 April 2017 Lockyer 9

VECC-ICM TRIUMF and VECC are collaborating on a 50MeV high intensity (10mA) cw electron linac for the production of radioactive ions through photofission The first stage is the design and construction of two Injector Cryomodules (ICM) to accelerate beams to 10MeV Injector module base-line design Two single cell cavities; independently powered and phased One multi-cell beta=1 cavity Operating at 1.3GHz and 2K A beam test area is being established at TRIUMF for beam studies in early 2011 Test high intensity beam dynamics up to 10mA; halo formation Test beam interaction with cavities and LLRF, HOM excitation, power coupler operation; 30kW cw operation 21 April 2017 Lockyer

VECC Injector Cryomodule and E-Linac Goal is to build two Injector Cryomodules (ICM) one for TRIUMF and one for India by 2012 cryomodule conceptual design study initiated 21 April 2017 Lockyer

E-Beam test area – 2009-2011 Exclusion zone x-rays Cryoline 10m 2K pumps 10m Gun Bunch Injector Module Diag Station RF and racks 21 April 2017 Lockyer

1.3GHz hardware development: cryostat Vacuum vessel and bath insert for single cell test cryostat in hand Pumps for 2K tested top plate assembly for initial single cell tests operational Modification for nine cell tests later this year 2K Cryostat Test 21 April 2017 Lockyer

R+D with PAVAC PAVAC to produce two single cells by end of 2009 Produce and test fixtures, FNAL/RRCAT dies and Nb Forming / Welding tests Cavity production and testing Fundamental studies Weld samples, HAZ analysis, explore weld parameter space, diagnostics include RRR/visual/beta-NMR 21 April 2017 Lockyer

Bead Pull Measurement Setup Bead pull apparatus set-up Warm tuner being designed in collaboration with U of T Other ancillaries in design Vertical high pressure water rinse String assembly frame 21 April 2017 Lockyer

The Schedule Stage 1 – completed by Oct. 2009 define the ICM conceptual design with iterative design cycles of beam simulations and rf modeling single cavity prototyping of beta=1 with PAVAC and initializing 1.3GHz test program in ISAC-II Stage 2 – completed by Nov. 2010 Design/develop/prepare ICM1 Prototype and test cavities – July 2010 Design, fabricate and assemble cryomodule Procure/install rf ancillaries; power couplers, tuners Stage 3 – completed by May 2011 Beam test with ICM1 in the ISAC-II vault e-test area Stage 4 – completed by Dec. 2011 Fabricate, assemble, test ICM2 21 April 2017 Lockyer

TRIUMF/CERN Collaborations TRIUMF has a long history of collaborations with CERN both on LHC and ISOLDE Canadian contribution to LHC organized through TRIUMF TRIUMF – Five year plan proposal includes funds to support Canadian contribution to International Accelerator Projects at ~4M$ and 4FTE’s Prototype one SPL 704MHz (beta=0.65 or beta=0.92) cavity with PAVAC Qualify PAVAC as a vendor for CERN-SPL Contribute to SPL building phase as allowed by funding SPL beta=0.65 704MHz cavity 21 April 2017 Lockyer

Summary SRF represents a core competency in the lab New chemical lab expands the capability Heavy ion SRF technology centered on ISAC-II Phase-II linac extension On schedule for 2009 installation E-Linac given a timely boost with VECC collaboration E-Linac Injector beam test by 2011 International partnerships undertaken to support and augment the existing capability Aligned with the goals of the next five year plan 21 April 2017 Lockyer

Thanks to Bob Laxdal for slides Head of SRF Department see his talk Berlin SRF 21 April 2017 Lockyer